半导体
近义词与同义词
按词义分组列出，使用时请结合具体语境。
a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities
基本解释
导电能力介于导体和绝缘体之间的物质，如锗、硅、硒和很多氧化物、硫化物等。这种物质具有单向导电等特性。